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MM3324 Datasheet(PDF) 7 Page - Mitsumi Electronics, Corp.

Part No. MM3324
Description  Lithium-Ion Secondary Battery Charge Control IC for AC Charger
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Manufacturer  MITSUMI [Mitsumi Electronics, Corp.]
Direct Link  https://www.mitsumi.co.jp/index_e.html
Logo MITSUMI - Mitsumi Electronics, Corp.

MM3324 Datasheet(HTML) 7 Page - Mitsumi Electronics, Corp.

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• Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification.
• The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.
MITSUMI
Lithium-Ion Secondary Battery Charge Control IC for AC Charger MM3324
Item
Symbol
Measurement Conditions
Min. Typ. Max. Unit.
First time voltage detection delay time
TFTV
0.117 0.146 0.175
s
LED-R blinking cycle
TBL1
Charge stop
VT1 TDET VT2, VT6 TDET VT7
1.874 2.342 2.810
s
TBL2
Abnormal charge prohibition
0.937 1.171 1.405
CE Low-Level input voltage
VCEL
Charge OFF threshold
0
0.3
V
CE High-Level input voltage
VCEH
Charge ON threshold
2
VDD
V
CE pin input current
ICE
10
20
µA
Note :
If the IC is damaged and control is no longer possible, its safety can not be guaranteed.
Please protect with something other than this IC.
Temperature detection is the setting value at B-Value 4250K (25/50°C)(NCP15WF104F03RC made
by MURATA MANUFACTURING).
When the battery overdischarge condition, it fast charge current (IFSTCHG2)×1/10 mA charge for 149.5
seconds, and then it does not switch to pre-charging during that interval, it means the IC has
identified a battery abnormality.
If adjacent terminals are shorted or each terminal is short with VDD or GND, there is a possibility that
the IC malfunctions.


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